CN111216665A - Vehicle rear part buffer stop - Google Patents
Vehicle rear part buffer stop Download PDFInfo
- Publication number
- CN111216665A CN111216665A CN202010186054.7A CN202010186054A CN111216665A CN 111216665 A CN111216665 A CN 111216665A CN 202010186054 A CN202010186054 A CN 202010186054A CN 111216665 A CN111216665 A CN 111216665A
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- Prior art keywords
- energy
- water tank
- longitudinal beam
- absorbing water
- connecting piece
- Prior art date
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- Granted
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 241000219146 Gossypium Species 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 4
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R2019/026—Buffers, i.e. bumpers of limited extent
Abstract
The invention discloses a vehicle rear part anti-collision device which comprises connecting devices arranged at the tail ends of longitudinal beams on two sides of a vehicle, an anti-collision beam assembled between the connecting devices on the two sides, and an energy absorption water tank arranged on one side of the anti-collision beam far away from the connecting devices; the product is arranged at the rear part of a large loading vehicle and is used for collision energy absorption.
Description
Technical Field
The invention relates to a vehicle rear anti-collision device.
Background
The hopper of large-scale loading vehicle is high, guarantees its trafficability characteristic, also is convenient for unload simultaneously, and the high simultaneously enough card of the distance ground of its bottom goes into a small car, pricks into the back when the locomotive of car, and the A post of vehicle can direct collision large-scale loading vehicle's hopper, and the deformation of A post directly can extrude the cockpit, therefore the death rate of rear driver under this kind of rear-end collision state is very high.
Based on the problems, the vehicle rear anti-collision device which is arranged at the rear part of a large loading vehicle and is used for collision energy absorption is designed.
Disclosure of Invention
The invention aims to provide a vehicle rear anti-collision device which is arranged at the rear part of a large-sized loading vehicle and is used for collision energy absorption.
In order to solve the problems, the invention adopts the following technical scheme:
a vehicle rear anti-collision device comprises connecting devices arranged at the tail ends of longitudinal beams on two sides of a vehicle, an anti-collision beam assembled between the connecting devices on the two sides, and an energy absorption water tank arranged on one side of the anti-collision beam away from the connecting devices;
the connecting device comprises a U-shaped clamping piece connected to the tail end of the longitudinal beam, screws are screwed into the upper side surface and the lower side surface of the U-shaped clamping piece, the screws prop against the side surface of the longitudinal beam after being screwed in, and the distance between the inner right end surface of the clamping piece and the right end surface of the longitudinal beam is 14 cm-20 cm; more than two guide posts are processed on the inner right end face of the clamping piece, springs are welded on the guide posts, and the length of the springs compressed to the limit is greater than that of the guide posts; a through hole longitudinally penetrates through the front end face of the clamping piece, a U-shaped connecting piece is assembled outside the longitudinal beam, a stud bolt is matched with the connecting piece, and the stud bolt penetrates through the through hole; after the stud bolts are tightened, pretightening force is generated between the stud bolts and the longitudinal beam, and the pretightening force is smaller than the pretightening force of the screws and the longitudinal beam; when the connecting piece is stressed to move to the left side, due to the fact that pre-tightening force exists between the connecting piece and the longitudinal beam, part of impact force is absorbed through the longitudinal beam and is smaller than the stress capacity of the longitudinal beam, deformation of the longitudinal beam is avoided, then the U-shaped clamping piece is driven under the action of the double-headed bolt, the pre-tightening force of the screw is also smaller than the stress capacity of the longitudinal beam, the U-shaped clamping piece moves to the left side after the screw slips, compression energy absorption is achieved through the fact that the spring contacts the longitudinal beam, and the spring;
the anti-collision beam and the connecting piece are welded and fixed;
the upper end of the energy-absorbing water tank is provided with a first through hole for charging and discharging water, and a cover is screwed into the first through hole; and a concave license plate groove is formed on the right side of the energy-absorbing water tank in an injection molding mode.
The stress mode of the mechanism is as follows:
firstly, when a vehicle knocks into the rear at a high speed, the energy-absorbing water tank is collided, most of impact force is buffered after the energy-absorbing water tank is stressed and burst, the vehicle damage of the vehicle is reduced, if the energy-absorbing water tank does not absorb energy completely, the energy-absorbing water tank is collided with the anti-collision beam for rigid energy absorption, when the anti-collision beam is collided, the U-shaped clamping piece fixed by screws can move towards the left side, and the impact force on the longitudinal beam can be reduced by the aid of.
Preferably, a frame plate is welded at the left position of the anti-collision beam, a water pump is mounted on the frame plate, a partition plate is arranged inside the energy-absorbing water tank, the left side of the partition plate is a buffer cavity, the right side of the partition plate is a water storage cavity, a first partition plate is arranged in the water storage cavity, a pressurizing cavity is formed at the right side of the first partition plate, an atomizing hole communicated with the pressurizing cavity is formed at the bottom of the energy-absorbing water tank, the water pump is connected with a water pumping pipe and a water delivery pipe, the water pumping pipe is inserted into the water storage cavity from the top or the bottom of the energy-absorbing water tank, and the water delivery pipe is inserted into the pressurizing cavity from the top of the energy-absorbing; a plurality of hollow energy absorption columns are arranged at the left side position of the partition plate; the top of the energy-absorbing water tank is provided with a water inlet communicated with the water storage cavity; when the vehicle moves in an urban area, larger dust can be generated, particularly, when a motorcade runs, the dust amount is larger, water can be sprayed downwards through the structure, and the dust falling effect can be realized because the water is attached to the road surface. Is particularly suitable for urban areas.
Preferably, the energy absorption column is made of rubber, and the wall thickness is 10 mm-20 mm.
Preferably, all welding in the side position department around the anticollision roof beam, the mounting with the cooperation has the screw between the anticollision roof beam, the mounting has the mouth of pressing from both sides, the interior upper and lower terminal surface department of pressing from both sides the mouth all is provided with the filling recess that the fixed glue of packing was used, the energy-absorbing water tank is by the centre gripping in pressing from both sides the mouth, through filling the glass in the filling recess and glue the after-fixing energy-absorbing water tank. The structure has the advantages that the energy-absorbing water tank is convenient to detach and easy to replace
Preferably, a plurality of lightening holes are vertically arranged on the top of the anti-collision beam in a penetrating manner, a first connecting piece is arranged on the left side of the energy-absorbing water tank, the anti-collision beam is located on the inner side of the first connecting piece, a first stud is arranged at the opening position of the first connecting piece, an assembling hole is vertically arranged on the top of the first connecting piece in a penetrating manner, and a first energy-absorbing column is assembled between the lightening holes and the assembling hole; more than one assembling groove is formed on the right side of the energy-absorbing water tank in an injection molding mode, foam cotton is fixedly glued in the assembling grooves and protrudes out of the assembling grooves; the effect of above-mentioned structure lies in, when facing miniature rear-end collision, energy-absorbing water tank atress, left side displacement energy-absorbing that first connecting piece can the small-amplitude, and the energy-absorbing water tank that avoids small-size contact to cause breaks. When the collision force disappears, the first energy absorption column rebounds, and the product resets; meanwhile, the structure is easy to disassemble, and the energy-absorbing water tank is convenient to replace after being damaged.
Preferably, the first energy absorption column is made of rubber, and the wall thickness is 10 mm-16 mm.
The invention has the beneficial effects that:
1) the product is easy to install, holes do not need to be formed in the longitudinal beam of the vehicle in the whole installation process, and lossless installation is really achieved;
2) after the vehicle collision energy-absorbing water tank is installed, when a rear-end collision happens, a vehicle inserted behind collides with the energy-absorbing water tank, water is filled in the energy-absorbing water tank, and after the collision is received, the energy-absorbing water tank absorbs energy and deforms until the vehicle is burst, so that the impact force of the vehicle at the rear part can be effectively buffered, meanwhile, the vehicle at the rear part is limited, and the A column of the vehicle is prevented from being changed after the vehicle further enters; the safety of the rear vehicle is effectively ensured;
3) in the product, the energy-absorbing water tank can explode a large amount of water mist after bursting, so that sparks generated by collision are reduced, and the possibility of burning of a rear vehicle is reduced;
4) the cost of the product is very low, and the cost of the whole set of equipment is not more than 2000 yuan.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a schematic view of the U-shaped fastener and the longitudinal beam;
FIG. 3 is a front view of the U-shaped clip member;
FIG. 4 is a right side view of the energy absorbing water tank;
FIG. 5 is a plan view of the present product in the state of example 2;
FIG. 6 is a sectional view of the energy-absorbing water tank in the state of embodiment 2;
FIG. 7 is a top view of the product in the state of example 3;
FIG. 8 is a perspective view of the fastener;
FIG. 9 is a top view of the product in the state of example 4;
FIG. 10 is a front view of the energy-absorbing water tank in the state of embodiment 4;
fig. 11 is a partial sectional view at a.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1, 2, 3 and 4, the rear anti-collision device for the vehicle comprises connecting devices 2 arranged at the tail ends of longitudinal beams 1 on two sides of the vehicle, an anti-collision beam 3 assembled between the connecting devices 2 on the two sides, and an energy-absorbing water tank 4 arranged on one side of the anti-collision beam 3 far away from the connecting devices 2;
the connecting device 2 comprises a U-shaped clamping piece 201 connected to the tail end of the longitudinal beam, screws 202 are screwed into the upper side surface and the lower side surface of the U-shaped clamping piece 201, the screws 202 abut against the side surface of the longitudinal beam 1 after being screwed in, and the inner right end surface of the clamping piece 201 is 14 cm-20 cm away from the right end surface of the longitudinal beam 1; more than two guide posts 203 are processed at the inner right end face of the clamping piece 201, springs 205 are welded on the guide posts 203, and the length of the springs 205 compressed to the limit is greater than that of the guide posts 203; a through hole 206 longitudinally penetrates through the front end face of the clamping piece 201, a U-shaped connecting piece 207 is assembled outside the longitudinal beam 1, a stud bolt 208 is matched with the connecting piece 207, and the stud bolt 208 penetrates through the through hole 206; after the stud bolt 208 is tightened, a pretightening force is generated between the stud bolt and the longitudinal beam 1, and the pretightening force is smaller than the pretightening force of the screw 202 and the longitudinal beam 1; when the connecting piece 207 is stressed to move to the left side, due to the fact that pretightening force exists between the connecting piece 207 and the longitudinal beam 1, part of impact force is absorbed through the longitudinal beam 1 and is smaller than the stress capacity of the longitudinal beam 1, deformation of the longitudinal beam 1 is avoided, then the U-shaped clamping piece 201 is driven under the action of the stud bolt 208, the pretightening force of the screw 202 is also smaller than the stress capacity of the longitudinal beam 1, the U-shaped clamping piece 201 moves to the left side after the screw 202 slips, and compression energy absorption is achieved by the fact that the spring 205 contacts the longitudinal beam until the spring 205 is compressed to;
the anti-collision beam 3 and the connecting piece 207 are welded and fixed;
the upper end of the energy-absorbing water tank 4 is provided with a first through hole 401 for charging and discharging water, and a cover 402 is screwed into the first through hole 401; a concave license plate groove 403 is formed on the right side of the energy-absorbing water tank 4 by injection molding.
The stress mode of the mechanism is as follows:
firstly, when a vehicle knocks into the rear at a high speed, the energy-absorbing water tank is collided, most impact force is buffered after the energy-absorbing water tank is stressed and burst, the vehicle damage of the vehicle is reduced, if the energy-absorbing water tank does not absorb energy completely, the energy-absorbing water tank is collided with the anti-collision beam 3 to absorb energy rigidly, when the anti-collision beam 3 is collided, the U-shaped clamping piece fixed by screws can move to the left side, and the impact force on the longitudinal beam can be reduced by the aid of the.
Example 2
Referring to fig. 5 and 6, a frame plate 311 is welded at the left position of the anti-collision beam 3, a water pump 312 is installed on the frame plate 311, a partition 411 is arranged inside the energy-absorbing water tank 4, a buffer cavity 412 is arranged at the left side of the partition 411, a water storage cavity 413 is arranged at the right side of the partition 411, a first partition 414 is arranged in the water storage cavity 413, a pressurizing cavity 416 is formed at the right side of the first partition 414, an atomizing hole 417 communicated with the pressurizing cavity 416 is arranged at the bottom of the energy-absorbing water tank 4, the water pump 312 is connected with a water pumping pipe 313 and a water feeding pipe 314, the water pumping pipe 313 is inserted into the water storage cavity 413 from the top or the bottom of the energy-absorbing water tank 4, and the water feeding pipe 314 is inserted into the pressurizing cavity 416 from the top of the energy-absorbing water tank 4; a plurality of hollow energy absorption columns 444 are arranged at the left position of the partition 411; the top of the energy-absorbing water tank 4 is provided with a water inlet 454 communicated with the water storage cavity 413; when the vehicle moves in an urban area, larger dust can be generated, particularly, when a motorcade runs, the dust amount is larger, water can be sprayed downwards through the structure, and the dust falling effect can be realized because the water is attached to the road surface. Is particularly suitable for urban areas.
The energy absorption column 444 is made of rubber, and the wall thickness is 10 mm-20 mm.
Example 3
Referring to fig. 7 and 8, fixing pieces 5 are welded at the front side and the rear side of the anti-collision beam 3, screws 501 are fitted between the fixing pieces 5 and the anti-collision beam 3, each fixing piece 5 has a clamping opening 502, filling grooves 503 for filling fixing glue are formed in the upper and lower end faces of the clamping opening 502, the energy-absorbing water tank 4 is clamped in the clamping opening 502, and the energy-absorbing water tank 4 is fixed after the filling grooves 503 are filled with glass cement. The above structure has the effects of facilitating the removal of the energy-absorbing water tank 4 and facilitating the replacement of the energy-absorbing water tank 4
Example 4
Referring to fig. 9, 10 and 11, a plurality of lightening holes 333 are vertically arranged on the top of the impact beam 3 in a penetrating manner, a first connecting piece 464 is arranged on the left side of the energy-absorbing water tank 4, the impact beam 3 is positioned on the inner side of the first connecting piece 464, a first stud 445 is arranged at the opening position of the first connecting piece 464, an assembly hole 446 is vertically arranged on the top of the first connecting piece 464 in a penetrating manner, and a first energy-absorbing column 447 is arranged between the lightening holes 333 and the assembly hole 446; more than one assembling groove 448 is formed on the right side of the energy-absorbing water tank 4 in an injection molding mode, foam cottons 449 are glued and fixed in the assembling grooves 448, and the foam cottons 449 protrude out of the assembling grooves 448; the effect of above-mentioned structure lies in, when facing miniature rear-end collision, energy-absorbing water tank 4 atress, and first connecting piece 464 can little range the left side displacement energy-absorbing, avoids the energy-absorbing water tank 4 fracture that small-size contact caused. When the collision force disappears, the first energy absorption column 447 rebounds, and the product resets; meanwhile, the structure is easy to disassemble, and the energy-absorbing water tank 4 is convenient to replace after being damaged.
The first energy-absorbing column 447 is made of rubber, and the wall thickness is 10 mm-16 mm. .
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A vehicle rear bump guard, characterized by: the device comprises connecting devices 2 arranged at the tail ends of longitudinal beams 1 on two sides of a vehicle, an anti-collision beam 3 assembled between the connecting devices 2 on the two sides, and an energy-absorbing water tank 4 arranged on one side of the anti-collision beam 3 far away from the connecting devices 2;
the connecting device 2 comprises a U-shaped clamping piece 201 connected to the tail end of the longitudinal beam, screws 202 are screwed into the upper side surface and the lower side surface of the U-shaped clamping piece 201, the screws 202 abut against the side surface of the longitudinal beam 1 after being screwed in, and the inner right end surface of the clamping piece 201 is 14 cm-20 cm away from the right end surface of the longitudinal beam 1; more than two guide posts 203 are processed at the inner right end face of the clamping piece 201, springs 205 are welded on the guide posts 203, and the length of the springs 205 compressed to the limit is greater than that of the guide posts 203; a through hole 206 longitudinally penetrates through the front end face of the clamping piece 201, a U-shaped connecting piece 207 is assembled outside the longitudinal beam 1, a stud bolt 208 is matched with the connecting piece 207, and the stud bolt 208 penetrates through the through hole 206; after the stud bolt 208 is tightened, a pretightening force is generated between the stud bolt and the longitudinal beam 1, and the pretightening force is smaller than the pretightening force of the screw 202 and the longitudinal beam 1; when the connecting piece 207 is stressed to move to the left side, due to the fact that pretightening force exists between the connecting piece 207 and the longitudinal beam 1, part of impact force is absorbed through the longitudinal beam 1 and is smaller than the stress capacity of the longitudinal beam 1, deformation of the longitudinal beam 1 is avoided, then the U-shaped clamping piece 201 is driven under the action of the stud bolt 208, the pretightening force of the screw 202 is also smaller than the stress capacity of the longitudinal beam 1, the U-shaped clamping piece 201 moves to the left side after the screw 202 slips, and compression energy absorption is achieved by the fact that the spring 205 contacts the longitudinal beam until the spring 205 is compressed to;
the anti-collision beam 3 and the connecting piece 207 are welded and fixed;
the upper end of the energy-absorbing water tank 4 is provided with a first through hole 401 for charging and discharging water, and a cover 402 is screwed into the first through hole 401; a concave license plate groove 403 is formed on the right side of the energy-absorbing water tank 4 by injection molding.
2. The vehicle rear impact prevention device according to claim 1, characterized in that: a frame plate 311 is welded at the left position of the anti-collision beam 3, a water pump 312 is mounted on the frame plate 311, a partition 411 is arranged inside the energy-absorbing water tank 4, the left side of the partition 411 is a buffer cavity 412, the right side of the partition 411 is a water storage cavity 413, a first partition 414 is arranged in the water storage cavity 413, a pressurizing cavity 416 is formed at the right side of the first partition 414, an atomizing hole 417 communicated with the pressurizing cavity 416 is arranged at the bottom of the energy-absorbing water tank 4, the water pump 312 is connected with a water pumping pipe 313 and a water feeding pipe 314, the water pumping pipe 313 is inserted into the water storage cavity 413 from the top or the bottom of the energy-absorbing water tank 4, and the water feeding pipe 314 is inserted into the pressurizing cavity 416 from the top of the energy-absorbing water tank 4; a plurality of hollow energy absorption columns 444 are arranged at the left position of the partition 411; the top of the energy-absorbing water tank 4 is provided with a water inlet 454 communicated with the water storage cavity 413.
3. The vehicle rear anti-collision device according to claim 2, characterized in that: the energy absorption column 444 is made of rubber, and the wall thickness is 10 mm-20 mm.
4. The vehicle rear impact prevention device according to claim 1, characterized in that: all welding fixed part 5 in the side position department around crashproof roof beam 3, fixed part 5 with the cooperation has screw 501 between the crashproof roof beam 3, fixed part 5 has presss from both sides mouthful 502, the interior upper and lower terminal surface department of pressing from both sides mouthful 502 all is provided with the filling recess 503 that fills the stationary glue and uses, energy-absorbing water tank 4 is held in pressing from both sides mouthful 502, through filling glass in filling recess 503 and glue the back fixed energy-absorbing water tank 4.
5. The vehicle rear impact prevention device according to claim 1, characterized in that: a plurality of lightening holes 333 are vertically arranged on the top of the anti-collision beam 3 in a penetrating manner, a first connecting piece 464 is arranged on the left side of the energy-absorbing water tank 4, the anti-collision beam 3 is positioned on the inner side of the first connecting piece 464, a first double-head bolt 445 is arranged at the opening position of the first connecting piece 464, an assembling hole 446 is vertically arranged on the top of the first connecting piece 464 in a penetrating manner, and a first energy-absorbing column 447 is assembled between the lightening holes 333 and the assembling hole 446; more than one assembling groove 448 is formed in the right side of the energy-absorbing water tank 4 in an injection molding mode, foam cottons 449 are glued and fixed in the assembling grooves 448, and the foam cottons 449 protrude out of the assembling grooves 448.
6. The vehicle rear impact prevention device according to claim 1, characterized in that: the first energy-absorbing column 447 is made of rubber, and the wall thickness is 10 mm-16 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186054.7A CN111216665B (en) | 2020-03-17 | 2020-03-17 | Vehicle rear part buffer stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186054.7A CN111216665B (en) | 2020-03-17 | 2020-03-17 | Vehicle rear part buffer stop |
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| Publication Number | Publication Date |
|---|---|
| CN111216665A true CN111216665A (en) | 2020-06-02 |
| CN111216665B CN111216665B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010186054.7A Active CN111216665B (en) | 2020-03-17 | 2020-03-17 | Vehicle rear part buffer stop |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373426A (en) * | 2020-12-15 | 2021-02-19 | 金卫国 | Vehicle bottom hanging type collision protection device |
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| DE3305440A1 (en) * | 1983-02-17 | 1984-08-23 | Alfred Teves GmbH & Co oHG, 5275 Bergneustadt | Bumper |
| CN2179295Y (en) * | 1993-11-25 | 1994-10-12 | 深圳长城工贸发展公司 | Vehicle's passive safety anti-collision apparatus |
| AU2002344520A1 (en) * | 2002-02-27 | 2003-09-09 | Liangcai He | Automotive safety automatic protector |
| CN102582553A (en) * | 2012-03-16 | 2012-07-18 | 中煤平朔煤业有限责任公司 | Multilevel anti-collision rear-end preventive buffering device for trucks |
| CN204399052U (en) * | 2014-12-25 | 2015-06-17 | 徐丽红 | A kind of school bus being provided with multistage protection bumper/spoiler |
| CN204589875U (en) * | 2015-04-17 | 2015-08-26 | 金兴民 | Waveform joist guard rail end head buffering anti-collision device |
| CN209479772U (en) * | 2018-12-28 | 2019-10-11 | 山东瀚氏汽车零部件有限公司 | A kind of vehicle rail energy-absorption box |
-
2020
- 2020-03-17 CN CN202010186054.7A patent/CN111216665B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3305440A1 (en) * | 1983-02-17 | 1984-08-23 | Alfred Teves GmbH & Co oHG, 5275 Bergneustadt | Bumper |
| CN2179295Y (en) * | 1993-11-25 | 1994-10-12 | 深圳长城工贸发展公司 | Vehicle's passive safety anti-collision apparatus |
| AU2002344520A1 (en) * | 2002-02-27 | 2003-09-09 | Liangcai He | Automotive safety automatic protector |
| CN102582553A (en) * | 2012-03-16 | 2012-07-18 | 中煤平朔煤业有限责任公司 | Multilevel anti-collision rear-end preventive buffering device for trucks |
| CN204399052U (en) * | 2014-12-25 | 2015-06-17 | 徐丽红 | A kind of school bus being provided with multistage protection bumper/spoiler |
| CN204589875U (en) * | 2015-04-17 | 2015-08-26 | 金兴民 | Waveform joist guard rail end head buffering anti-collision device |
| CN209479772U (en) * | 2018-12-28 | 2019-10-11 | 山东瀚氏汽车零部件有限公司 | A kind of vehicle rail energy-absorption box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373426A (en) * | 2020-12-15 | 2021-02-19 | 金卫国 | Vehicle bottom hanging type collision protection device |
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| CN111216665B (en) | 2020-12-11 |
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